Ham radio group slates 'field day' The Radio Operators Association of Dallas (ROADs) is joining amateur radio groups from across the country for a nationwide "field day" Saturday and Sunday.Beginning at noon on Saturday and continuing until noon on Sunday, ROADs members will demonstrate amateur radio operations at Dallas City Park.The event is open to the public and will include demonstrations of amateur radio and ham radio's new capabilities, offer information on how individuals can obtain their own FCC amateur radio license, and details on the advantages of ham radio operations during emergencies and natural disasters.For more information: Jack Schult, 503-881-5836; www.emergency-radio.org. 'Sunday Musicale' scheduled in Dallas The Rev. Dr. John Nastari will present a free "Sunday Musicale" on Sunday at 5 p.m. at Dallas United Methodist Church, 565 SE LaCreole Drive.Nastari will play the violin, accompanied by Jean Shrader on piano.He began studying the violin at age 5 and has practiced almost every day of his life. He has performed with the San Francisco and Chicago symphonies, at the White House and with the Billy Graham crusades.Nastari, who entered the ministry in 1955, is currently a resident of Dallas. He remains active in the ministry by teaching adult Sunday school classes.A reception will follow the performance.For more information: Carolyn Wall, 503-623-4596. Heatwave concerts beginning at WOU Western Oregon University's Office of Student Leadership and Activities kicks off another season of the WOU Summer Heatwave Concert Series on June 26.The event runs every Wednesday from 11:30 a.m. to 1:30 p.m. through July 31 at the Werner University Center Plaza on the WOU campus, 345 N. Monmouth Ave., Monmouth.Concerts are free and open to the public; barbecue food fare will be available for purchase and free desserts will be served.JT and the Tourists will perform rock `n' roll tunes from the 1950s, 60s and early 70s on June 26.Additional scheduled performers and dates are Jackson Michelson (July 3), Brothers, Bror (July 10), Tommy Simmons (July 17), Rachel Wong (July 24) and an inflatable slide activity (July 31).For more information: 503-838-8659. 4-H deadline nears for Polk fair entries Polk County Fair 4-H members wanting to participate in the 2013 county fair need to have entry forms turned in by July 1.Forms must be received at the Polk County Oregon State University Extension office by 6 p.m. July 1. The Polk County Fair is Aug. 8-11.Entry forms and other required paperwork are now available at the extension office, 289 E. Ellendale Ave., Suite 301, Dallas, or online at http://extension.oregonstate.edu/polk/.Currently enrolled 4-H youths must list specific classes they will enter at the county fair.For more information: 503-623-8395.